F705
Send Destination CPU Error (Hardware)
Mitsubishi Electric · MELSEC Q-series MELSECNET/H
What does F705 mean?
An error originating from the send destination CPU's hardware has occurred, preventing successful data transmission. This indicates a hardware fault at the receiving end.
Common Causes
- Hardware error (H/W error) at the send destination CPU
Repair Steps & Checklist
Click steps to track your progress.
- 1
Check the send destination CPU for any diagnostic indicators or fault codes
- 2
Inspect the send destination CPU module for physical damage or loose connections
Verified technical data. Last updated: March 2026
Related Faults
Source: Mitsubishi Electric MELSEC Q-series MELSECNET/H